diff --git a/app/src/main/java/me/bello/mathscalc/activity/MainActivity.java b/app/src/main/java/me/bello/mathscalc/activity/MainActivity.java
index 34716fd..e7b9195 100755
--- a/app/src/main/java/me/bello/mathscalc/activity/MainActivity.java
+++ b/app/src/main/java/me/bello/mathscalc/activity/MainActivity.java
@@ -17,6 +17,7 @@
 import me.bello.mathscalc.util.AnimUtils;
 import me.bello.mathscalc.util.AppBarUtils;
 import me.bello.mathscalc.R;
+import me.bello.mathscalc.util.DisplayUtil;
 import me.bello.mathscalc.util.PreferenceUtils;
 import me.bello.mathscalc.util.ScoreUtils;
 
@@ -64,8 +65,8 @@
         String[] items = {"1", "2", "3"};
         ArrayAdapter<String> adapter = new ArrayAdapter<>(mContext, R.layout.item_spinner, items);
         spinner.setAdapter(adapter);
-        spinner.setDropDownWidth(380);
-        spinner.setDropDownVerticalOffset(65);
+        spinner.setDropDownWidth(DisplayUtil.dip2px(this, 190f));
+        spinner.setDropDownVerticalOffset(DisplayUtil.dip2px(this, 32f));
         spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
             @Override
             public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {
@@ -82,8 +83,8 @@
         String[] items2 = {"0", "10", "30", "60"};
         ArrayAdapter<String> adapter2 = new ArrayAdapter<>(mContext, R.layout.item_spinner, items2);
         spinner2.setAdapter(adapter2);
-        spinner2.setDropDownWidth(380);
-        spinner2.setDropDownVerticalOffset(65);
+        spinner2.setDropDownWidth(DisplayUtil.dip2px(this, 190f));
+        spinner2.setDropDownVerticalOffset(DisplayUtil.dip2px(this, 32f));
         spinner2.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
             @Override
             public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {